The MPLS WG Archive

["Raju Venkatraman" <raju_vvs@hotmail.com>]

Ajay,

Thanks for response. But I'm specifically looking for some info. on 
implementations on SunOS/Solaris.

-Raju


>From: Ajay Simha <asimha@cisco.com>
>To: Raju Venkatraman <raju_vvs@hotmail.com>
>CC: mpls@UU.NET
>Subject: Re: Fwd: Re: Reception of RSVP packets at intermediate node
>Date: Sat, 29 Dec 2001 18:33:08 -0500 (Eastern Standard Time)
>
>On Sat, 29 Dec 2001, Raju Venkatraman wrote:
>
>RV>Hi Folks,
>RV>
>RV>Pls. excuse me for sending this again. Unfortunately, I haven't got any
>RV>satisfactory answer yet.
>RV>
>RV>How the other portable implementation of RSVP(TE) from vendors like Data
>RV>Connection, Trillium, Netplane and Future Soft take care of this. How 
>their
>RV>portable implementation of RSVP intercept and receive the RSVP protocol
>RV>messages on SunOS/Solaris when running on transit nodes? They claim to 
>be
>RV>providing portability for SunOS/Solaris though. Which socket option to 
>be
>RV>used???? Or something special needs to be done????
>
>Raju,
>
>I suggest you look into the source code of the linux source code since they 
>do
>have a linux implementation somewhere.
>
>-ajay
>implementation  RV> RV>Any response shall be greatly appreciated.
>RV>Thanks in advance.
>RV>Raju
>RV>
>RV>
>RV>
>RV>>From: "Raju Venkatraman" <raju_vvs@hotmail.com>
>RV>>To: pingpan@juniper.net, David.Charlap@marconi.com, ccamp@ops.ietf.org
>RV>>CC: mpls@UU.NET
>RV>>Subject: Re: Reception of RSVP packets at intermediate node
>RV>>Date: Fri, 21 Dec 2001 01:16:40 +0000
>RV>>
>RV>>
>RV>>Hi,
>RV>>
>RV>>Can someone point me to these SunOS patches that were required to fix 
>the
>RV>>problem of RSVP packets interception and reception at intermedite 
>nodes.
>RV>>Are
>RV>>they publically available at some site?????
>RV>>
>RV>>How does the other protable implementations take care of it when they 
>run
>RV>>over SunOS/Solaris??? Which socket option they use?
>RV>>
>RV>>Any help shall be greatly appreciated.
>RV>>Regards.
>RV>>Raju
>RV>>
>RV>>
>RV>>
>RV>>>From: Ping Pan <pingpan@juniper.net>
>RV>>>To: David Charlap <David.Charlap@marconi.com>
>RV>>>CC: mpls@UU.NET
>RV>>>Subject: Re: Reception of RSVP packets at intermediate node
>RV>>>Date: Thu, 13 Dec 2001 15:45:34 -0800
>RV>>>
>RV>>>Hi,
>RV>>>
>RV>>>There are several ways to receive RSVP Path messages (the Resv 
>messages
>RV>>>can be sent hop-by-hop):
>RV>>>
>RV>>>1. Both FreeBSD and Linux have modified the IP forwarding in the 
>kernel
>RV>>>to send/receive IP Router Alert packets via a raw socket.
>RV>>>
>RV>>>2. You can also use ipfw to define some filters to intercept the 
>messages.
>RV>>>
>RV>>>3. In my past life, I had written a kernel extension for FreeBSD that
>RV>>>can intercept all sort of IP option packets via a new socket family.
>RV>>>Check http://www.cs.columbia.edu/~pingpan/software_list.htm
>RV>>>
>RV>>>4. I recall Don Hoffman and Mike Speer had done SunOS patches. Check
>RV>>>http://www.isi.edu/div7/rsvp/release.html
>RV>>>
>RV>>>Take care!
>RV>>>
>RV>>>- Ping
>RV>>>
>RV>>>
>RV>>>
>RV>>>David Charlap wrote:
>RV>>>
>RV>>>>Raju Venkatraman wrote:
>RV>>>>
>RV>>>>>I'd appreciate any help to my question.
>RV>>>>>
>RV>>>>>Is there a socket option to intercept and receive RSVP protocol
>RV>>>>>messages at intermediate node on Sun Solaris [reception of packets
>RV>>>>>not destined to this intermediate node]?
>RV>>>>>
>RV>>>>
>RV>>>>Sounds like this question would be better asked on a forum for 
>Solaris
>RV>>>>programming.  Perhaps comp.unix.programmer, comp.unix.solaris, or one 
>of
>RV>>>>the comp.sys.sun groups.
>RV>>>>
>RV>>>>I am, unfortunately not familiar with Solaris, but I seem to remember
>RV>>>>that a kernel patch was required to make router alert work on SunOS
>RV>>>>version 4.x.  A similar patch may be required for Solaris.
>RV>>>>
>RV>>>>-- David
>RV>>>>
>RV>>>>
>RV>>>
>RV>>>
>RV>>
>RV>>
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>
>--
>Ajay Simha
>MPLS Deployment Engineer
>IOS Technology Division
>(919) 392-3141
>
>"Study as if you were to live forever
>  Live as if you were to die tomorrow"
>
>  - Mahatma Gandhi
>


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